Isaiah w



I. W. TABER. Lamp.

No. 29,203. r Patented July 17, 1860.-

6 S %I/ Z UNITED STATES PATENT OFFICE.

ISAIAH W. TABER, OF YEW BEDFORD, MASSACHUSETTS.

LAMP.

Specification of Letters Patent No. 29,203, dated July 17, 1860.

To all whom it may concern:

Be it known that I, ISAIAH IV. TABER, of New Bedford, in the county of Bristol and State of Massachusetts, have invented an Improved Oil-Lamp; and I do hereby declare that the following is a full and exact description there-of, reference being had to the accompanying drawings, which form a part of this specification.

Figure 1, is a side view of my improved lamp; Fig. 2, a top view of the head of the lamp, detached, minus the deflector (Z; Fig. 3, a section in the line :12, w, of Fig. 2; Fig. 4, a section in the line y, of Fig. 2; and Fig. 5, a top view of the deflector (Z, detached from the head of the lamp.

The feature of novelty in my improved oil-lamp, consists in its having two independent air chambers for supplying the air of combustion to the peculiarly arranged double wicks of the lamp.

The peculiar construction of the wicksustaining and combustion-promoting portions of my oil-lamp, are clearly represented in the accompanying drawings and may be described as follows:

a, is the screw-head of the lamp; 5, is a perforated curb rising from the periphery of the head of the lamp and being of such a shape at its top, that itreceives, first, the deflector c, and retains it in its proper posi tion, and afterward it receives the base of a properly proportioned glass chimney and retains the said chimney in a vertical position upon the lamp.

The rectangular wick-tube (Z, is firmly secured to the head of the lamp, and is of such a length, that while its upper end rises nearly to the to of the perforated curb 6, its lower end cescends nearly to the bottom of the body of the lamp. The said wick tube is of such a width that a flatsided air-chamber 6, can be placed centerior air-chamber e, by means of tWo inclined tubes 9, g, which pass from said airchamber out through apertures in the sides of the perforated curb b.

When the deflector c, is in its proper position, the slit in the central portion thereof comes immediately over the mouth of the interior air-chamber e: consequently, the individual flames produced by the combustion of each of the wicks of my improved lamp, are united into one as they pass upward through the said slit in the deflector.

I have ascertained by repeated experiments, that a double-wick deflector-lamp, not supplied with my interior air-chamber 6, but constructed in all other particulars like my improved lamp, cannot perfectly consume whale oil; but on the contrary, a dull flame is produced and that is soon extinguished by the accumulation of a thick crust upon the wicks, whereas, when my improved lamp is supplied with whale-oil, a brilliant flame is produced, such as can only be produced by perfect combustion; and the lamp can be used for several hours without requiring trimming.

Having thus fully described my improved lamp, what I claim therein as my invention and desire to secure by Letters Patent, is

Locating the independent air-chamber (e) in the space between the flat-wicks of said lamp and then supplying the said chamber with air through the medium of independent inductiontubes, (g, when the united flame produced by both of said wicks is made to pass up through a slit in the deflector (0) which surmounts the perforated sides (Z)) of the outer airchamber of said lamp, all substantially as herein set forth.

The above specification of my improved oil lamp, signed and witnessed this 16th day of May 1860.

ISAIAH WV. TABER.

\Vitnesses:

Z. G. ROBBINS, EDW. F. BROWN. 

